18287788689

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{1889}}^1\times {\mathrm{2543}}^1$

素因数の和:4491

約数の個数: 40

約数和(自身を含む): 27925793280

約数和(自身を除く): 9638004591

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 1889, 2543, 3807, 5667, 7629, 17001, 22887, 51003, 68661, 88783, 119521, 153009, 205983, 266349, 358563, 799047, 1075689, 2397141, 3227067, 4803727, 7191423, 9681201, 14411181, 43233543, 129700629, 225775169, 389101887, 677325507, 2031976521, 6095929563, 18287788689]

約数ペア:

[(1, 18287788689), (3, 6095929563), (9, 2031976521), (27, 677325507), (47, 389101887), (81, 225775169), (141, 129700629), (423, 43233543), (1269, 14411181), (1889, 9681201), (2543, 7191423), (3807, 4803727), (5667, 3227067), (7629, 2397141), (17001, 1075689), (22887, 799047), (51003, 358563), (68661, 266349), (88783, 205983), (119521, 153009)]